Islip in August
7.7out of 10
Yes, a good time to go
Warm and comfortable: highs around 25°C. Frequent rain: about 10 rainy days.
25°CAvg high
21°CAvg low
10Rainy days (100 mm)
13:38 hDaylight
06:08Sunrise · 19:46 Sunset
Why this score
- Warm and comfortable: highs around 25°C
- Frequent rain: about 10 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in August varies a lot between years (±3.5 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 4°C | -1°C | 97 mm | 10 | – | – | 4.6 |
| February | 4°C | -1°C | 89 mm | 9 | – | – | 4.8 |
| March | 7°C | 2°C | 117 mm | 11 | – | – | 5.0 |
| April | 12°C | 7°C | 96 mm | 11 | – | – | 5.9 |
| May | 17°C | 12°C | 90 mm | 11 | – | – | 6.8 |
| June | 22°C | 18°C | 92 mm | 10 | – | – | 7.7 |
| July | 25°C | 22°C | 84 mm | 10 | – | – | 7.8 |
| August | 25°C | 21°C | 100 mm | 10 | – | – | 7.7 |
| September | 22°C | 18°C | 96 mm | 9 | – | – | 7.8 |
| October | 17°C | 13°C | 113 mm | 10 | – | – | 6.9 |
| November | 12°C | 7°C | 93 mm | 9 | – | – | 6.2 |
| December | 7°C | 3°C | 121 mm | 11 | – | – | 5.1 |
Frequently asked questions
How hot is Islip in August?
Daytime highs average 25°C and nights about 21°C.
When is the best time to visit Islip?
The best months are July, September, June, August.